Home / 19,783.11-27,440.60-19,074.09

Finding the Fourth Proportional to 19,783.11, 27,440.60 and 19,074.09

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Solution

The fourth proportional to 19,783.11, 27,440.60 and 19,074.09 is: 26,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.11 : 27,440.60 = 19,074.09 : x
  2. Step 2: Convert to fraction form
    19,783.11/27,440.60 = 19,074.09/x
  3. Step 3: Cross multiply
    19,783.11x = 27,440.60 × 19,074.09
  4. Step 4: Simplify right side
    19,783.11x = 523,404,521.74
  5. Step 5: Solve for x
    x = 523,404,521.74/19,783.11
  6. Step 6: Final answer
    x = 26,457.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.